Disney and Lucasfilm have remained quiet over who exactly will appear in the much-anticipated film, which is being directed by J.J. Abrams and is set 30 years after "Return of the Jedi." It's been widely speculated that Ford, Mark Hamill and Carrie Fisher will reprise their roles as Han Solo, Luke Skywalker and Princess Leia. The only character the studio has confirmed is returning is R2-D2.